fix spaces bug

modules/whisper/faster_whisper_inference.py

@@ -30,6 +30,7 @@ class FasterWhisperInference(WhisperBase):
         self.device = self.get_device()
         self.available_models = self.model_paths.keys()
         self.available_compute_types = self.get_available_compute_type()
+        self.download_model(model_size="large-v2", model_dir=self.model_dir)
 
     @spaces.GPU(duration=120)
     def transcribe(self,
@@ -157,3 +158,12 @@ class FasterWhisperInference(WhisperBase):
             return "auto"
         else:
             return "cpu"
+
+    @staticmethod
+    def download_model(model_size: str, model_dir: str):
+        faster_whisper.download_model(
+            size_or_id=model_size,
+            cache_dir=model_dir
+        )
+
+